Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SUHAMA Tomoyuki and OGAYA Naoka,Study for the topographic representation method using Laplacian of Gaussian filtering,Journal of the Japan society of photogrammetry and remote sensing,02855844,Japan Society of Photogrammetry and Remote Sensing,2013,51,6,370-374,https://cir.nii.ac.jp/crid/1390282679055155456,https://doi.org/10.4287/jsprs.51.370